本帖最后由 billzhao 于 2012-5-19 12:12 编辑 + J: \: X# v$ Z0 R " A7 o3 y( J" p! L6 F* o( b好像南方或者北方有的地方s sh不分,下面视频应该有所帮助。 8 J8 l# m$ P5 ]* n9 ^" M7 ?' B; ]6 [3 d& N) S
很喜欢老师的自信,她说 It's simple. It's easy. Once you watch this video, you get it, and you'll never make the mistake again. People will understand you, and your life will be fantastic.1 L/ H6 V* A+ D- t; C